Air conditioner



FIG. 1 is a front perspective view of an air conditioner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is another top view thereof as shown with the vents in an open configuration; and,

FIG. 9 is another front view thereof shown with the vents in an open configuration.

The broken lines in the drawings illustrate portions of the air conditioner which forms no part of the claimed design. 

CLAIM We claim, the ornamental design for an air conditioner, as shown and described. 